The Ameco PCL is a tuned RF receiver preamplifier covering all frequencies from 1.8 to 54 MHz. It uses two Nuvistors in cascade and gives noise figures from 1.5 to 3.4 dB depending on frequency. The PCL's overall gain is in excess of 20 dB. Input and output is via Motorola jacks. 5 x 3 x 3 inches.

The PCL requires 120 V at 7 ma and 6.3V at 270 ma that can be derived from most Ameco receivers or from the Ameco PS-1 power supply (not included).